Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
OPERATING ACTIVITIES
Net Earnings	$ 31,244	$ 18,892
Adjustments to reconcile Net Earnings to Net Cash Provided by Operating Activities:
Depreciation	13,150	11,964
Amortization	323	1,368
Impairment of Long-Lived Assets	0	11,199
Deferred Income Taxes	(676)	(4,161)
Share-Based Compensation Expense	5,747	6,580
Allowance for Doubtful Accounts and Returns	779	1,426
Loss on Sale of Business	149	0
Other, Net	(418)	(102)
Changes in Operating Assets and Liabilities:
Receivables	5,752	6,693
Inventories	(4,873)	(14,712)
Accounts Payable	(6,415)	(4,720)
Employee Compensation and Benefits	(5,448)	2,354
Other Current Liabilities	(3,097)	(872)
Income Taxes	2,248	(825)
Other Assets and Liabilities	(5,183)	(4,180)
Net Cash Provided by Operating Activities	33,282	30,904
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(22,499)	(14,597)
Proceeds from Disposals of Property, Plant and Equipment	559	257
Acquisition of Businesses, Net of Cash Acquired	(12,358)	0
Proceeds from Sale of Business	285	1,188
Decrease (Increase) in Restricted Cash	116	(319)
Net Cash Used in Investing Activities	(33,897)	(13,471)
FINANCING ACTIVITIES
Payment of Long-Term Debt	(3,452)	(3,429)
Issuance of Long-term Debt	15,000	0
Purchases of Common Stock	(12,762)	(39,123)
Proceeds from Issuance of Common Stock	2,893	981
Excess Tax Benefit on Stock Plans	447	707
Dividends Paid	(10,583)	(10,953)
Net Cash Used in Financing Activities	(8,457)	(51,817)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	55	(1,771)
Net Decrease in Cash and Cash Equivalents	(9,017)	(36,155)
Cash and Cash Equivalents at Beginning of Period	51,300	92,962
Cash and Cash Equivalents at End of Period	42,283	56,807
Supplemental Disclosure of Cash Flow Information:
Cash Paid for Income Taxes	11,329	18,052
Cash Paid for Interest	796	886
Supplemental Non-cash Investing and Financing Activities:
Capital Expenditures in Accounts Payable	$ 1,322	$ 721